CN201228511Y - Natural draught muffler for bay window - Google Patents
Natural draught muffler for bay window Download PDFInfo
- Publication number
- CN201228511Y CN201228511Y CNU2008200955027U CN200820095502U CN201228511Y CN 201228511 Y CN201228511 Y CN 201228511Y CN U2008200955027 U CNU2008200955027 U CN U2008200955027U CN 200820095502 U CN200820095502 U CN 200820095502U CN 201228511 Y CN201228511 Y CN 201228511Y
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- air port
- bay window
- noise
- natural ventilation
- sound absorber
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- Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
Abstract
The utility model relates to a natural-ventilation muffler used for bay windows, which belongs to a noise-reducing device in a building; comprises a box body, an outdoor wind gap, an indoor wind gap and a noise-eliminating chamber provided with a sound-absorbing material layer; and is characterized in that: the box body is a narrow high cuboid box, an upper external wind gap and an upper internal wind gap are formed at the topmost part of the box body, a lower external wind gap and a lower internal wind gap are formed at the lowermost part of the box body, two noise-eliminating wedges are formed at the upper part and at the lower part of the noise-eliminating chamber, respectively, and closable blind windows are mounted on the internal wind gaps. The natural-ventilation muffler has the advantages of simple structure, low cost and no need for repair and maintenance, has the function of eliminating sound and reducing noise based on the power of the natural wind, is capable of both wind-pressure ventilation and heat-pressure ventilation, and is used in combination with the bay window of the building without damaging the building facade effect and the indoor decoration effect.
Description
Technical field:
The utility model relates to a kind of bay window natural ventilation sound absorber, and it belongs to the ventilation denoising device in a kind of building.
Background technology:
Urban environment has the trend that progressively worsens at present, and noise pollution etc. are more and more serious.For Urban House, each noise like especially road traffic noise has become the key factor that perplexs people's normal life, work, study.The resident need close exterior window in order to reduce the puzzlement of noise, and wishes the good exterior window of architectural employing sound insulation property.Just can't utilize natural ventilation to improve the indoor hot comfort of transition season but close exterior window, also influence IAQ (indoor air quality).For external window of building, noise reduction and natural ventilation and renew wind be contradiction, the opposition.
In order to solve this contradiction, the multiple purpose that can reach sound insulation can realize that again the ventilation silencer of circulation of air arises at the historic moment.These ventilation silencers are divided into mechanical forced ventilation formula and natural ventilation type two big classes.The volume of the ventilation silencer of mechanical forced ventilation formula is little, ventilate and eliminate the noise effective, but need consumed power, be difficult to extensive use in housing construction.The ventilation silencer of natural ventilation type does not need power consumption, non-maintaining, but exists volume bigger than normal, the shortcoming of ventilation effect difference.If solved the above-mentioned shortcoming of the ventilation silencer of natural ventilation type, it will be particularly suitable for housing construction.The basic structure of the ventilation silencer of existing natural ventilation type all is that an air intake and an air outlet are set on a casing, and various sound absorbing elements is set or sound absorption material forms so-called noise elimination cavity at box house.When outdoor air was malleation, new wind entered noise elimination cavity by outdoor air port, again by in the inlet chamber of indoor air port.But when outdoor air is negative pressure, room air will enter noise elimination cavity by indoor air port, be discharged to outdoor by outdoor air port again.Traffic noise then always imports into indoorly by outdoor via two air ports, because the existence of noise elimination cavity, the noise in the inlet chamber can be by big high attenuation.The main cause of its ventilation effect difference is: it ventilates by the blast of natural wind fully, is not having the weather of wind, and it fully can not ventilation.And in fact natural ventilation also has a kind of form, and promptly so-called hot pressing is ventilated.The ventilation installation that the principle of utilizing hot pressing to ventilate designs as long as there is the temperature difference in indoor and outdoor, no matter whether the external world has wind, can both be realized the running of ventilating.
It is a kind of simple in structure that the purpose of this utility model is to provide, and energy consumption is little, but not only blast ventilated but also hot pressing ventilates the significant bay window of noise reduction natural ventilation sound absorber.
The purpose of this utility model is achieved in that
A kind of bay window natural ventilation sound absorber, it comprises casing, outdoor air port, indoor air port and be provided with the noise elimination cavity of sound-absorbing material layer, it is characterized in that: described casing is thin and tall cuboid box body structure; Outside the topmost of described casing is provided with the air port and in the air port, the foot of described casing be provided with down outer air port with time in the air port; A noise elimination wedge is respectively installed in the upper and lower of described noise elimination cavity.
In interior air port closeable louvre is housed.
Described closeable louvre is provided with mosquito-proof net.
Outside on described the air port and down outside the air port be provided with stormproof louvre.
The inwall of described casing is provided with acoustical cotton.
Described casing is for highly being 1400～2000mm vertically, and lateral length is 400～800mm, and width is 300～400mm, and the wall thickness of described casing is 12-20mm,
The air port height in described outer air port, upward interior air port, following outer air port and down interior air port is: 200～300mm, the air port width is: 240-340mm.
The utility model is simple in structure, and cost is low, and is non-maintaining, utilize the power of natural wind to realize the function of noise elimination noise reduction fully, but not only blast ventilated but also hot pressing ventilates, and can be used in combination with the bay window of building, profile is simple and direct, does not destroy elevation of building effect and indoor decorative effect.
Description of drawings:
Fig. 1 is a structural representation of the present utility model
Fig. 2 is the structural representation after the utility model installation
Fig. 3 is installed in architectural schematic diagram for this use is novel
The specific embodiment:
Below in conjunction with accompanying drawing 1, Fig. 2 the utility model is further detailed:
Mentality of designing of the present utility model at first is described:
The ventilation silencer that a kind of profile is thin and tall is respectively established a pair of inlet and outlet in the upper and lower of its casing, and box house is provided with the sound absorption parts.At calm weather, when interior temperature was higher than outside temperature, because hot pressing, indoor hot air will be overflowed to outdoor by the inlet and outlet on top, and outdoor cold air is then in the inlet and outlet inlet chamber by the bottom.When outside temperature is lower than interior temperature, indoor cold air will inlet and outlet delivery chamber by the bottom outside, outdoor hot air is then flowed into indoor by the inlet and outlet on top, thereby reaches the purpose of hot pressing ventilation.The weather of wind is being arranged, and the blast of natural wind can be blown into indoor by the two pairs of air ports up and down new wind or by indoor discharge, thereby realizes that conventional blast ventilates.And no matter when, extraneous noise is being imported into by inlet and outlet when indoor, all will obtain decay via noise elimination cavity.Because hot pressing is ventilated and cabinet design need be become thin and tall shape, so be adapted to be mounted within on the window opening of bay window of southern area popular welcome, it highly equals the window height, and length equals the windowsill width, and width can be selected 300～400mm.Mounted ventilation silencer is from indoor, and outward appearance is equal to reveal.Can see that from outdoor seeing this " reveal " is thicker, be 300～400mm.It is adapted at adopting in the new building, adopts in the time of also can changing old bay window when old housing reform is made.
In order to realize above-mentioned mentality of designing, in the present embodiment, the utility model comprises casing 1, outdoor air port, indoor air port and is provided with the noise elimination cavity 4 of sound-absorbing material layer.In order to realize the purpose of noise reduction and ventilation, described casing 1 is thin and tall cuboid box body structure; In the present embodiment, the high 1800mm of casing, long 600mm, wide 300mm, the wall thickness of described casing are 15mm.The cavity of described box house constitutes a noise elimination cavity 4; Outside the topmost of described casing is provided with air port 21 and in air port 22, the foot of described casing be provided with down outer air port 23 with time in air port 24; To the utlity model has good noise elimination noise reduction effect in order making, 51,52, two noise elimination wedges of a noise elimination wedge respectively to be installed in the upper and lower of described noise elimination cavity 4 to be oppositely arranged.In the present embodiment, the sound absorption material that is provided with on the inwall of described casing 1 is an acoustical cotton 6.In interior air port 22 and 24 closeable louvre 3 is housed, and described closeable louvre 3 is provided with mosquito-proof net, prevents that mosquito, fly from entering in the building.Outside on described air port 21 and down outside air port 23 be provided with stormproof louvre 7 be housed, prevent that rainwater from entering in the casing 1.In the present embodiment, the air port height in described outer air port, upward interior air port, following outer air port and down interior air port is: 250mm, the air port width is: 300mm.
Operating principle of the present utility model is as follows:
As shown in Figure 2, the utility model is installed between the lintel of window 8 and windowsill 9 of building, its highly same bay window, and its length is consistent with the windowsill width, replaces the one side " reveal " of bay window, and width is about 300mm.The mounted outward appearance of the utility model as shown in Figure 3.
1) natural ventilation principle:, when interior temperature is higher than outside temperature,, can form so-called hot pressing to rising because hot air is low weight at calm weather.Indoor hot air will be overflowed to outdoor by the air port on top, and outdoor cold air is then in the air port inlet chamber by the bottom.When interior temperature is lower than outside temperature, indoor cold air will air port delivery chamber by the bottom outside, outdoor hot air is then flowed into indoor by the air port on top, thereby reaches the purpose of hot pressing ventilation.When outdoor when having natural wind, the blast of natural wind can be blown into indoor by the two pairs of air ports up and down new wind or by indoor discharge, thereby realizes that conventional blast ventilates.
2) noise-cancelling theory: and no matter when, extraneous noise all will obtain decay via noise elimination cavity being imported into by the air port when indoor.Because the installation site of noise elimination wedge and noise elimination wedge being installed in the noise elimination cavity, make the noise elimination wedge 51 on top can effectively intercept and absorb outer air port 21 and pass noise elimination wedge 52 absorptions that acoustic wave segment that the sound wave that advances also will not sponge reflexes to the bottom; In like manner, the wedge 51 that the acoustic wave segment that down outer air port 23 biographies are advanced can be reflected onto top is absorbed, and makes that the noise elimination effect is more obvious.
Claims (7)
1, a kind of bay window natural ventilation sound absorber, it comprises casing (1), outdoor air port, indoor air port and be provided with the noise elimination cavity (4) of sound-absorbing material layer, it is characterized in that: described casing (1) is thin and tall cuboid box body structure; Air port outside the topmost of described casing is provided with (21) and last in air port (22), the foot of described casing be provided with down outer air port (23) and time in air port (24); A noise elimination wedge (51,52) is respectively installed in the upper and lower of described noise elimination cavity (4).
2, the natural ventilation sound absorber of the bay window described in claim 1 is characterized in that in interior air port (22) and (24) closeable louvre (3) being housed.
3, the natural ventilation sound absorber of the bay window described in claim 2 is characterized in that described closeable louvre (3) is provided with mosquito-proof net.
4, the natural ventilation sound absorber of the bay window described in claim 1, it is characterized in that on described outside air port (21) and down outside air port (23) be provided with stormproof louvre (7) be housed.
5, the bay window natural ventilation sound absorber described in claim 1 or 2 or 3 or 4, it is acoustical cotton (6) that the inwall that it is characterized in that described casing (1) is provided with sound absorption material.
6, the bay window natural ventilation sound absorber described in claim 1 or 2 or 3 or 4, it is characterized in that described casing for highly being 1400～2000mm vertically, lateral length is 400～800mm, and width is 300～400mm, the wall thickness of described casing is 12-20mm
7, the bay window natural ventilation sound absorber described in claim 1 or 2 or 3 or 4, the air port height that it is characterized in that described outer air port (21), upward interior air port (22), following outer air port (23) and down interior air port (24) is: 200～300mm, the air port width is: 240-340mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200955027U CN201228511Y (en) | 2008-07-11 | 2008-07-11 | Natural draught muffler for bay window |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200955027U CN201228511Y (en) | 2008-07-11 | 2008-07-11 | Natural draught muffler for bay window |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201228511Y true CN201228511Y (en) | 2009-04-29 |
Family
ID=40633462
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200955027U Expired - Lifetime CN201228511Y (en) | 2008-07-11 | 2008-07-11 | Natural draught muffler for bay window |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201228511Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103075088A (en) * | 2013-02-07 | 2013-05-01 | 哈尔滨工业大学 | Natural lighting ventilation noise-reduction window capable of at least reducing 15dB within the noise range of 125Hz to 8000Hz |
| CN103132882A (en) * | 2013-02-27 | 2013-06-05 | 哈尔滨工业大学 | Ventilating sound-insulating wet curtain window |
| CN105202738A (en) * | 2015-10-19 | 2015-12-30 | 上海市环境科学研究院 | Building ventilation silencing device |
| CN106577016A (en) * | 2016-12-12 | 2017-04-26 | 无锡市三阳生态农业发展有限公司 | Seeding room capable of realizing natural ventilation and favorable lighting for vegetable cultivation |
-
2008
- 2008-07-11 CN CNU2008200955027U patent/CN201228511Y/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103075088A (en) * | 2013-02-07 | 2013-05-01 | 哈尔滨工业大学 | Natural lighting ventilation noise-reduction window capable of at least reducing 15dB within the noise range of 125Hz to 8000Hz |
| CN103132882A (en) * | 2013-02-27 | 2013-06-05 | 哈尔滨工业大学 | Ventilating sound-insulating wet curtain window |
| CN103132882B (en) * | 2013-02-27 | 2015-03-04 | 哈尔滨工业大学 | Ventilating sound-insulating wet curtain window |
| CN105202738A (en) * | 2015-10-19 | 2015-12-30 | 上海市环境科学研究院 | Building ventilation silencing device |
| CN106577016A (en) * | 2016-12-12 | 2017-04-26 | 无锡市三阳生态农业发展有限公司 | Seeding room capable of realizing natural ventilation and favorable lighting for vegetable cultivation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: SHENZHEN INSTITUTE OF BUILDING RESEARCH CO., LTD. Free format text: FORMER NAME: SHENZHEN BUILDING SCIENCE RESEARCH INSTITUTE CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: Three road 518049 Guangdong city of Shenzhen province Futian District, Mei Ao No. 29 Patentee after: Shenzhen Institute of Building Research Co., Ltd. Address before: Five building, building 8, Zhenhua Road, Shenzhen, Guangdong, Futian District 518031, China Patentee before: Shenzhen Building Science Research Institute Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20090429 |
|
| CX01 | Expiry of patent term |